@Override protected boolean hasContent() { List<PayloadTypePacketExtension> payloadTypes = getPayloadTypes(); boolean hasPayloadTypes = !payloadTypes.isEmpty(); List<SourcePacketExtension> sources = getSources(); boolean hasSources = !sources.isEmpty(); int[] ssrcs = getSSRCs(); boolean hasSSRCs = (ssrcs.length != 0); return hasPayloadTypes || hasSources || hasSSRCs; }
/** * Handles incoming messages and dispatches whatever events are necessary. * * @param packet the packet that we need to handle (if it is a message). */ public void processPacket(Packet packet) { if (!(packet instanceof org.jivesoftware.smack.packet.Message)) return; org.jivesoftware.smack.packet.Message msg = (org.jivesoftware.smack.packet.Message) packet; boolean isForwardedSentMessage = false; if (msg.getBody() == null) { CarbonPacketExtension carbonExt = (CarbonPacketExtension) msg.getExtension(CarbonPacketExtension.NAMESPACE); if (carbonExt == null) return; isForwardedSentMessage = (carbonExt.getElementName() == CarbonPacketExtension.SENT_ELEMENT_NAME); List<ForwardedPacketExtension> extensions = carbonExt.getChildExtensionsOfType(ForwardedPacketExtension.class); if (extensions.isEmpty()) return; ForwardedPacketExtension forwardedExt = extensions.get(0); msg = forwardedExt.getMessage(); if (msg == null || msg.getBody() == null) return; } Object multiChatExtension = msg.getExtension("x", "http://jabber.org/protocol/muc#user"); // its not for us if (multiChatExtension != null) return; String userFullId = isForwardedSentMessage ? msg.getTo() : msg.getFrom(); String userBareID = StringUtils.parseBareAddress(userFullId); boolean isPrivateMessaging = false; ChatRoom privateContactRoom = null; OperationSetMultiUserChatJabberImpl mucOpSet = (OperationSetMultiUserChatJabberImpl) jabberProvider.getOperationSet(OperationSetMultiUserChat.class); if (mucOpSet != null) privateContactRoom = mucOpSet.getChatRoom(userBareID); if (privateContactRoom != null) { isPrivateMessaging = true; } if (logger.isDebugEnabled()) { if (logger.isDebugEnabled()) logger.debug("Received from " + userBareID + " the message " + msg.toXML()); } Message newMessage = createMessage(msg.getBody(), DEFAULT_MIME_TYPE, msg.getPacketID()); // check if the message is available in xhtml PacketExtension ext = msg.getExtension("http://jabber.org/protocol/xhtml-im"); if (ext != null) { XHTMLExtension xhtmlExt = (XHTMLExtension) ext; // parse all bodies Iterator<String> bodies = xhtmlExt.getBodies(); StringBuffer messageBuff = new StringBuffer(); while (bodies.hasNext()) { String body = bodies.next(); messageBuff.append(body); } if (messageBuff.length() > 0) { // we remove body tags around message cause their // end body tag is breaking // the visualization as html in the UI String receivedMessage = messageBuff .toString() // removes body start tag .replaceAll("\\<[bB][oO][dD][yY].*?>", "") // removes body end tag .replaceAll("\\</[bB][oO][dD][yY].*?>", ""); // for some reason ' is not rendered correctly // from our ui, lets use its equivalent. Other // similar chars(< > & ") seem ok. receivedMessage = receivedMessage.replaceAll("'", "'"); newMessage = createMessage(receivedMessage, HTML_MIME_TYPE, msg.getPacketID()); } } PacketExtension correctionExtension = msg.getExtension(MessageCorrectionExtension.NAMESPACE); String correctedMessageUID = null; if (correctionExtension != null) { correctedMessageUID = ((MessageCorrectionExtension) correctionExtension).getCorrectedMessageUID(); } Contact sourceContact = opSetPersPresence.findContactByID((isPrivateMessaging ? userFullId : userBareID)); if (msg.getType() == org.jivesoftware.smack.packet.Message.Type.error) { // error which is multichat and we don't know about the contact // is a muc message error which is missing muc extension // and is coming from the room, when we try to send message to // room which was deleted or offline on the server if (isPrivateMessaging && sourceContact == null) { if (privateContactRoom != null) { XMPPError error = packet.getError(); int errorResultCode = ChatRoomMessageDeliveryFailedEvent.UNKNOWN_ERROR; if (error != null && error.getCode() == 403) { errorResultCode = ChatRoomMessageDeliveryFailedEvent.FORBIDDEN; } String errorReason = error.getMessage(); ChatRoomMessageDeliveryFailedEvent evt = new ChatRoomMessageDeliveryFailedEvent( privateContactRoom, null, errorResultCode, errorReason, new Date(), newMessage); ((ChatRoomJabberImpl) privateContactRoom).fireMessageEvent(evt); } return; } if (logger.isInfoEnabled()) logger.info("Message error received from " + userBareID); int errorResultCode = MessageDeliveryFailedEvent.UNKNOWN_ERROR; if (packet.getError() != null) { int errorCode = packet.getError().getCode(); if (errorCode == 503) { org.jivesoftware.smackx.packet.MessageEvent msgEvent = (org.jivesoftware.smackx.packet.MessageEvent) packet.getExtension("x", "jabber:x:event"); if (msgEvent != null && msgEvent.isOffline()) { errorResultCode = MessageDeliveryFailedEvent.OFFLINE_MESSAGES_NOT_SUPPORTED; } } } if (sourceContact == null) { sourceContact = opSetPersPresence.createVolatileContact(userFullId, isPrivateMessaging); } MessageDeliveryFailedEvent ev = new MessageDeliveryFailedEvent( newMessage, sourceContact, correctedMessageUID, errorResultCode); // ev = messageDeliveryFailedTransform(ev); if (ev != null) fireMessageEvent(ev); return; } putJidForAddress(userFullId, msg.getThread()); // In the second condition we filter all group chat messages, // because they are managed by the multi user chat operation set. if (sourceContact == null) { if (logger.isDebugEnabled()) logger.debug("received a message from an unknown contact: " + userBareID); // create the volatile contact sourceContact = opSetPersPresence.createVolatileContact(userFullId, isPrivateMessaging); } Date timestamp = new Date(); // Check for XEP-0091 timestamp (deprecated) PacketExtension delay = msg.getExtension("x", "jabber:x:delay"); if (delay != null && delay instanceof DelayInformation) { timestamp = ((DelayInformation) delay).getStamp(); } // check for XEP-0203 timestamp delay = msg.getExtension("delay", "urn:xmpp:delay"); if (delay != null && delay instanceof DelayInfo) { timestamp = ((DelayInfo) delay).getStamp(); } ContactResource resource = ((ContactJabberImpl) sourceContact).getResourceFromJid(userFullId); EventObject msgEvt = null; if (!isForwardedSentMessage) msgEvt = new MessageReceivedEvent( newMessage, sourceContact, resource, timestamp, correctedMessageUID, isPrivateMessaging, privateContactRoom); else msgEvt = new MessageDeliveredEvent(newMessage, sourceContact, timestamp); // msgReceivedEvt = messageReceivedTransform(msgReceivedEvt); if (msgEvt != null) fireMessageEvent(msgEvt); }